Check split lenght when finding git branch

[gandarez]

This PR fixes index out of range for findGitBranch().

runtime error: index out of range [2] with length 1

goroutine 1 [running]:
runtime/debug.Stack()
 C:/hostedtoolcache/windows/go/1.22.0/x64/src/runtime/debug/stack.go:24 +0x5e
github.com/wakatime/wakatime-cli/cmd.runCmd.func1()
 D:/a/wakatime-cli/wakatime-cli/cmd/run.go:313 +0x13c
panic({0x11c1040?, 0xc0001781e0?})
 C:/hostedtoolcache/windows/go/1.22.0/x64/src/runtime/panic.go:770 +0x132
github.com/wakatime/wakatime-cli/pkg/project.findGitBranch({0xc000038e00, 0x69})
 D:/a/wakatime-cli/wakatime-cli/pkg/project/git.go:293 +0x190
github.com/wakatime/wakatime-cli/pkg/project.Git.Detect({{0xc000038310, 0x69}, 0x0, {0x0, 0x0, 0x0}, {0x0, 0x0, 0x0}})
 D:/a/wakatime-cli/wakatime-cli/pkg/project/git.go:141 +0xb65
github.com/wakatime/wakatime-cli/pkg/project.DetectWithRevControl({0x0, 0x0, 0x0}, {0x0, 0x0, 0x0}, 0x0, {0xc00021b8c8, 0x2, 0x2})
 D:/a/wakatime-cli/wakatime-cli/pkg/project/project.go:292 +0x3f7
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithDetection.func9.1({0xc000442c80, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/project/project.go:163 +0x425
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithDetection.func8.1({0xc000442c80, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/deps/deps.go:77 +0x3bd
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithDetection.func7.1({0xc000442c80, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/language/language.go:54 +0x36c
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithDetection.func6.1({0xc000442c80, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/filestats/filestats.go:73 +0x546
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithReplacing.func5.1({0xc000442c80, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/apikey/apikey.go:44 +0x1cb
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithDetection.func4.1({0xc000442b40, 0x1, 0x0?})
 D:/a/wakatime-cli/wakatime-cli/pkg/remote/remote.go:112 +0x93c
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithFiltering.func3.1({0xc00062a140, 0x1, 0xc00007e2a0?})
 D:/a/wakatime-cli/wakatime-cli/pkg/filter/filter.go:41 +0x2d0
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithEntityModifier.func2.1({0xc00062a140, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/heartbeat/entity_modify.go:24 +0x1fd
github.com/wakatime/wakatime-cli/cmd/heartbeat.initHandleOptions.WithFormatting.func1.1({0xc00062a140, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/heartbeat/format.go:32 +0x28e
github.com/wakatime/wakatime-cli/cmd/heartbeat.SendHeartbeats.NewHandle.func4({0xc00062a140, 0x1, 0x1})
 D:/a/wakatime-cli/wakatime-cli/pkg/heartbeat/heartbeat.go:169 +0xc8
github.com/wakatime/wakatime-cli/cmd/heartbeat.SendHeartbeats(0xc00006bc00, {0xc000464900, 0x1c})
 D:/a/wakatime-cli/wakatime-cli/cmd/heartbeat/heartbeat.go:129 +0x7c5
github.com/wakatime/wakatime-cli/cmd/heartbeat.Run(0xc00006bc00)
 D:/a/wakatime-cli/wakatime-cli/cmd/heartbeat/heartbeat.go:37 +0xc5
github.com/wakatime/wakatime-cli/cmd.runCmd(0xc00006bc00, 0x0, 0x0, 0x13f0a68)
 D:/a/wakatime-cli/wakatime-cli/cmd/run.go:331 +0x124
github.com/wakatime/wakatime-cli/cmd.RunCmdWithOfflineSync(0xc00006bc00, 0x0, 0x0, 0x0?, 0x13f0a40)
 D:/a/wakatime-cli/wakatime-cli/cmd/run.go:281 +0x25
github.com/wakatime/wakatime-cli/cmd.Run(0xc0000d4308, 0xc00006bc00)
 D:/a/wakatime-cli/wakatime-cli/cmd/run.go:137 +0x759
github.com/wakatime/wakatime-cli/cmd.NewRootCMD.func1(0xc000122200?, {0x11fab0c?, 0x4?, 0x11fab10?})
 D:/a/wakatime-cli/wakatime-cli/cmd/root.go:29 +0x17
github.com/spf13/cobra.(*Command).execute(0xc0000d4308, {0xc000124010, 0x13, 0x1f})
 C:/Users/runneradmin/go/pkg/mod/github.com/spf13/cobra@v1.7.0/command.go:944 +0x867
github.com/spf13/cobra.(*Command).ExecuteC(0xc0000d4308)
 C:/Users/runneradmin/go/pkg/mod/github.com/spf13/cobra@v1.7.0/command.go:1068 +0x3a5
github.com/spf13/cobra.(*Command).Execute(...)
 C:/Users/runneradmin/go/pkg/mod/github.com/spf13/cobra@v1.7.0/command.go:992
github.com/wakatime/wakatime-cli/cmd.Execute()
 D:/a/wakatime-cli/wakatime-cli/cmd/root.go:273 +0x18
main.main()
 D:/a/wakatime-cli/wakatime-cli/main.go:6 +0xf

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 62.77%. Comparing base (42030f4) to head (c529ce3).

@@             Coverage Diff             @@
##           develop    #1047      +/-   ##
===========================================
+ Coverage    62.76%   62.77%   +0.01%     
===========================================
  Files          381      381              
  Lines        16338    16343       +5     
===========================================
+ Hits         10255    10260       +5     
  Misses        5528     5528              
  Partials       555      555              

Flag	Coverage Δ
unittests	62.77% <100.00%> (+0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
pkg/project/git.go	63.59% <100.00%> (+0.77%)	:arrow_up: