Rename act_runner to runner

.goreleaser.yaml

@@ -63,7 +63,7 @@ builds:
   flags:
   - -trimpath
   ldflags:
-  - -s -w -X gitea.com/gitea/act_runner/internal/pkg/ver.version={{ .Summary }}
+  - -s -w -X gitea.com/gitea/runner/internal/pkg/ver.version={{ .Summary }}
   binary: >-
     {{ .ProjectName }}-
     {{- .Version }}-
@@ -86,7 +86,7 @@ blobs:
     provider: s3
     bucket: "{{ .Env.S3_BUCKET }}"
     region: "{{ .Env.S3_REGION }}"
-    directory: "act_runner/{{.Version}}"
+    directory: "runner/{{.Version}}"
     extra_files:
       - glob: ./**.xz
       - glob: ./**.sha256