fix(deps): update module github.com/fluxcd/pkg/apis/meta to v1.21.0 (#43)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.25.1
 require (
 	github.com/Masterminds/sprig/v3 v3.3.0
 	github.com/fluxcd/kustomize-controller/api v1.6.1
-	github.com/fluxcd/pkg/apis/meta v1.12.0
+	github.com/fluxcd/pkg/apis/meta v1.21.0
 	github.com/go-git/go-billy/v5 v5.6.2
 	github.com/go-git/go-git/v5 v5.16.2
 	github.com/go-logr/logr v1.4.3

go.sum

@@ -44,8 +44,8 @@ github.com/fluxcd/kustomize-controller/api v1.6.1 h1:8AOD+BWQwCLT+u5jgtGryZWkCes
 github.com/fluxcd/kustomize-controller/api v1.6.1/go.mod h1:b0i/KVz28tV8iuqlNHx7MW6ZtTcIbBELGLoKdaK+X8M=
 github.com/fluxcd/pkg/apis/kustomize v1.12.0 h1:KvZN6xwgP/dNSeckL4a/Uv715XqiN1C3xS+jGcPejtE=
 github.com/fluxcd/pkg/apis/kustomize v1.12.0/go.mod h1:OojLxIdKm1JAAdh3sL4j4F+vfrLKb7kq1vr8bpyEKgg=
-github.com/fluxcd/pkg/apis/meta v1.12.0 h1:XW15TKZieC2b7MN8VS85stqZJOx+/b8jATQ/xTUhVYg=
-github.com/fluxcd/pkg/apis/meta v1.12.0/go.mod h1:+son1Va60x2eiDcTwd7lcctbI6C+K3gM7R+ULmEq1SI=
+github.com/fluxcd/pkg/apis/meta v1.21.0 h1:R+bN02chcs0HUmyVDQhqe/FHmYLjipVDMLnyYfNX850=
+github.com/fluxcd/pkg/apis/meta v1.21.0/go.mod h1:XUAEUgT4gkWDAEN79E141tmL+v4SV50tVZ/Ojpc/ueg=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=