Chore: update actions and go versions

[till]

Resolves: #157

[till]

@mattn would you mind clicking "approve" to run the workflow?

[mattn]

sure

[codecov-commenter]

Codecov Report

Base: 87.63% // Head: 87.37% // Decreases project coverage by -0.25% :warning:

Coverage data is based on head (0f919ea) compared to base (29bb160). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #168 +/- ## ========================================== - Coverage 87.63% 87.37% -0.26% ========================================== Files 15 15 Lines 954 1339 +385 ========================================== + Hits 836 1170 +334 - Misses 74 125 +51 Partials 44 44 ``` | [Impacted Files](https://codecov.io/gh/mattn/go-mastodon/pull/168?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn) | Coverage Δ | | |---|---|---| | [compat.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-Y29tcGF0Lmdv) | `53.12% <0.00%> (-6.88%)` | :arrow_down: | | [unixtime.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-dW5peHRpbWUuZ28=) | `70.00% <0.00%> (-1.43%)` | :arrow_down: | | [notification.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-bm90aWZpY2F0aW9uLmdv) | `78.87% <0.00%> (-1.13%)` | :arrow_down: | | [apps.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-YXBwcy5nbw==) | `89.83% <0.00%> (-0.87%)` | :arrow_down: | | [report.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-cmVwb3J0Lmdv) | `85.00% <0.00%> (-0.72%)` | :arrow_down: | | [streaming\_ws.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-c3RyZWFtaW5nX3dzLmdv) | `95.96% <0.00%> (-0.70%)` | :arrow_down: | | [streaming.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-c3RyZWFtaW5nLmdv) | `97.43% <0.00%> (-0.32%)` | :arrow_down: | | [filters.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-ZmlsdGVycy5nbw==) | `96.55% <0.00%> (-0.17%)` | :arrow_down: | | [polls.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-cG9sbHMuZ28=) | `83.33% <0.00%> (ø)` | | | [helper.go](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn#diff-aGVscGVyLmdv) | `100.00% <0.00%> (ø)` | | | ... and [5 more](https://codecov.io/gh/mattn/go-mastodon/pull/168/diff?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn) | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mattn)

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[mattn]

Thank you