91: Bump deps and replace repo url for hdrhistogram

⌘ ~/d/cfrpki (master)> make test
go test -v ./...
?       github.com/cloudflare/cfrpki/ca [no test files]
?       github.com/cloudflare/cfrpki/cmd/ctrpki [no test files]
?       github.com/cloudflare/cfrpki/cmd/localrpki      [no test files]
?       github.com/cloudflare/cfrpki/cmd/octorpki       [no test files]
=== RUN   TestValid
--- PASS: TestValid (0.00s)
=== RUN   TestInvalid
--- PASS: TestInvalid (0.00s)
=== RUN   TestUnknown
--- PASS: TestUnknown (0.00s)
PASS
ok      github.com/cloudflare/cfrpki/ov 0.312s
?       github.com/cloudflare/cfrpki/sync/api   [no test files]
?       github.com/cloudflare/cfrpki/sync/lib   [no test files]
=== RUN   TestEncodeSIA
--- PASS: TestEncodeSIA (0.00s)
=== RUN   TestEncodeIPBlocks
--- PASS: TestEncodeIPBlocks (0.00s)
=== RUN   TestEncodeASN
--- PASS: TestEncodeASN (0.00s)
=== RUN   TestMakeCertificate
--- PASS: TestMakeCertificate (0.02s)
=== RUN   TestEncodeMFTContent
--- PASS: TestEncodeMFTContent (0.08s)
=== RUN   TestEncodeROAEntries
--- PASS: TestEncodeROAEntries (0.00s)
=== RUN   TestEncodeROA
--- PASS: TestEncodeROA (0.04s)
=== RUN   TestValidateROAEntry
--- PASS: TestValidateROAEntry (0.00s)
=== RUN   TestEncodeTAL
--- PASS: TestEncodeTAL (0.35s)
=== RUN   TestDecodeTAL
--- PASS: TestDecodeTAL (0.00s)
=== RUN   TestEncodeXMLContent
--- PASS: TestEncodeXMLContent (0.32s)
PASS
ok      github.com/cloudflare/cfrpki/validator/lib      1.151s
=== RUN   TestPKI
    pki_test.go:110: Creating keys
    pki_test.go:143: Creating TAL
    pki_test.go:154: Creating certificates
    pki_test.go:229: Creating root certificate
    pki_test.go:256: Creating CRL
    pki_test.go:301: Creating ROAs
    pki_test.go:350: Creating manifest
    pki_test.go:474: Validating
--- PASS: TestPKI (0.04s)
PASS
ok      github.com/cloudflare/cfrpki/validator/pki      0.578s
cloudflare / cfrpki

91: Bump deps and replace repo url for hdrhistogram #94
