Add runner capabilities display to web UI

- Display capabilities on runner edit page (OS, Docker, shells, tools)
- Add locale translations for capability labels
- Parse and render CapabilitiesJSON from runner model
- Update actions-proto-go to v0.5.2

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

go.sum

@@ -29,8 +29,8 @@ dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-git.marketally.com/gitcaddy/actions-proto-go v0.5.0 h1:D2loMnqTXiaJL6TMfOOUJz4/3Vpv0AnMDSJVuiqMNrM=
-git.marketally.com/gitcaddy/actions-proto-go v0.5.0/go.mod h1:li5RzZsj1sV8a0SXzXWsGNwv0dYw7Wj829AgloZqF5o=
+git.marketally.com/gitcaddy/actions-proto-go v0.5.2 h1:+0tDJeyduhxpYrBNScN8w5din/0zJ/KtAh/Eo6mE9QE=
+git.marketally.com/gitcaddy/actions-proto-go v0.5.2/go.mod h1:mn7Wkqz6JbnTOHQpot3yDeHx+O5C9EGhMEE+htvHBas=
 gitea.com/gitea/act v0.261.7-0.20251003180512-ac6e4b751763 h1:ohdxegvslDEllZmRNDqpKun6L4Oq81jNdEDtGgHEV2c=
 gitea.com/gitea/act v0.261.7-0.20251003180512-ac6e4b751763/go.mod h1:Pg5C9kQY1CEA3QjthjhlrqOC/QOT5NyWNjOjRHw23Ok=
 gitea.com/gitea/go-xsd-duration v0.0.0-20220703122237-02e73435a078 h1:BAFmdZpRW7zMQZQDClaCWobRj9uL1MR3MzpCVJvc5s4=