gitea-runner: stage Infisical-backed secret (3a, out-of-band)

InfisicalStaticSecret syncs /gitea-runner -> gitea-runner-secret-infisical
(parallel name). Out-of-band: created via kubectl apply; commit is for record.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

gitea/infisical-gitea-runner.yaml

@@ -0,0 +1,24 @@
+apiVersion: secrets.infisical.com/v1beta1
+kind: InfisicalStaticSecret
+metadata:
+  name: gitea-runner-secret
+  namespace: gitea
+spec:
+  # Shared, read-only machine identity (no write grant, no PushSecret).
+  # NOTE: the gitea namespace is applied OUT-OF-BAND (not an ArgoCD app),
+  # so this CR is created with `kubectl apply` — committing it here is for record.
+  infisicalAuthRef:
+    name: infisical-auth
+    namespace: infisical-operator
+  sources:
+    - projectId: 17e98e9d-70f5-43d1-8382-7da818dfcdd0   # project "homelab"
+      environmentSlug: prod
+      secretPath: /gitea-runner
+  syncOptions:
+    refreshInterval: 60s
+  targets:
+    - kind: Secret
+      name: gitea-runner-secret-infisical      # parallel name — old secret stays live until 3c
+      namespace: gitea
+      creationPolicy: Owner
+      # key passthrough: synced Secret carries GITEA_RUNNER_REGISTRATION_TOKEN verbatim.