Add Flux v2.7.4 component manifests

New collaborators:

    CD17A34CBFB21DE9A73D47EB76BDEC4E165D8AD9
        Tim Huizinga <tim@huizinga.dev>

controllers/longhorn/longhorn.yaml

@@ -10,10 +10,6 @@ spec:
   sourceRef:
     kind: ExternalArtifact
     name: longhorn
-  decryption:
-    provider: sops
-    secretRef:
-      name: sops-gpg
   path: ./${cluster_env}
   prune: true
   wait: true

controllers/longhorn/staging/secret-s3-garage.yaml

@@ -8,7 +8,6 @@ stringData:
     AWS_ACCESS_KEY_ID: ENC[AES256_GCM,data:3oYxQTaBOkHPkkKMsVmGIKvHM02eVQ1fGV0=,iv:1FSjF8Bp2zHPGmDAEhZASCPaFoedAwHRqXzl4OU72fo=,tag:2WsTb9Ieo6FoLdo7dP5H9A==,type:str]
     AWS_SECRET_ACCESS_KEY: ENC[AES256_GCM,data:aRsUlUtywf2Vk6bqAHM+UT5YHdArA0PZjhqtz4w4ndDe66HM481aSnoVfVe4b726K24Y71dWc9+gOd0Vpezq7w==,iv:wpptPLFMjy+AN3+lEcgtKxepSn5K0Jj+y2qJcX6UMiM=,tag:ZA4kMti6OYoINahmqoAG/Q==,type:str]
     AWS_ENDPOINTS: ENC[AES256_GCM,data:2iB2cf1E4ucxJEDGRpe2wiX9yMCZA1A=,iv:c+izWJ+i7lHybZlU9yKS5Q+Zj9lOGysCbewz9iRud3M=,tag:UX4zr9dguSAUBqm1xJnNJQ==,type:str]
-    AWS_DEFAULT_REGION: ENC[AES256_GCM,data:x8oa5+m6,iv:w7Ko7PithIEtO6UoW063hxpqcctD4kBw3dCGKYlmQxU=,tag:HskDJefMh4EGKVp8gf9eCw==,type:str]
 sops:
     age:
         - recipient: age1860txadrlqrjwnqh0g466re2nt8jk7xhj640pq9gpsddpg23uynqsp2hul
@@ -29,8 +28,8 @@ sops:
             K09tZGI0Z2w0eXh5eHcvcEttMy82aU0K2fnCDfYIShzw2Zipof+C8zf9pcOmiDg9
             2SCiIfAJs9MB3n078P068z77KpvdlJYOi9pUTKSBhNw+mBI24y6X6A==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2025-12-12T00:41:10Z"
-    mac: ENC[AES256_GCM,data:E+W48CwZ93xybhGkVtSWwmq/bQa2g+2dipLGc3We1TaSS60zaWjvElkHMJpYvOxyoxZ2W6ydb0O1r7oywdc4E2WgsN8PewMm6e0M8C9WSv0ok1ki4Tx5iE3S+xOnmIb9xY8FlsyuZZ1mfAn+TyP4CrBdA0qe+bOK4oxHOz3Pk/Y=,iv:x/twUW0xmPkLe1wHNxSKsf2VdVHGPMPptS/ak7Bl3YQ=,tag:ys82SWDfkrm+idEuF9z8oA==,type:str]
+    lastmodified: "2025-12-12T00:40:17Z"
+    mac: ENC[AES256_GCM,data:AZbEtI2KFdG5dGYwIc0buxwgONyLn7SPRnEC29jcIocYVEVImEJ0pHtWOzf4qAf2I+xI2VDm1SeOyrR1kefHhIcaQw5xwVaITTxzX6rDHzl1QJwYxwFjcMSxOFdH7eAb79R4uQqhtsT43sUt8JFnd0MwawCEimz9QgbRAM2Dm3Q=,iv:nxXUrsLjZwWDb01ZSbkZiAm8dRiF2/RROzFXQna0Bkw=,tag:Gb2e2RSiGXoqNHFegoQ4Yw==,type:str]
     pgp:
         - created_at: "2025-12-11T23:56:15Z"
           enc: |-