Add Flux v2.7.4 component manifests

New collaborators:

    CD17A34CBFB21DE9A73D47EB76BDEC4E165D8AD9
        Tim Huizinga <tim@huizinga.dev>

controllers/longhorn/base/values.yaml

@@ -9,5 +9,5 @@ defaultSettings:
 persistence:
   defaultDataLocality: best-effort
 defaultBackupStore:
-  backupTarget: s3://longhorn-backup@garage/
+  backupTarget: s3://longhorn-backup/
   backupTargetCredentialSecret: s3-garage

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

@@ -8,6 +8,7 @@ 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:aTGFH1KR,iv:UWm/ld8oHnaNWY305WVOxuHY0tuif/qe2dqF+ecX6fg=,tag:Ev1hXcwsxiEGUfLza6XTcA==,type:str]
 sops:
     age:
         - recipient: age1860txadrlqrjwnqh0g466re2nt8jk7xhj640pq9gpsddpg23uynqsp2hul
@@ -28,8 +29,8 @@ sops:
             K09tZGI0Z2w0eXh5eHcvcEttMy82aU0K2fnCDfYIShzw2Zipof+C8zf9pcOmiDg9
             2SCiIfAJs9MB3n078P068z77KpvdlJYOi9pUTKSBhNw+mBI24y6X6A==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2025-12-12T00:40:17Z"
-    mac: ENC[AES256_GCM,data:AZbEtI2KFdG5dGYwIc0buxwgONyLn7SPRnEC29jcIocYVEVImEJ0pHtWOzf4qAf2I+xI2VDm1SeOyrR1kefHhIcaQw5xwVaITTxzX6rDHzl1QJwYxwFjcMSxOFdH7eAb79R4uQqhtsT43sUt8JFnd0MwawCEimz9QgbRAM2Dm3Q=,iv:nxXUrsLjZwWDb01ZSbkZiAm8dRiF2/RROzFXQna0Bkw=,tag:Gb2e2RSiGXoqNHFegoQ4Yw==,type:str]
+    lastmodified: "2025-12-12T00:39:32Z"
+    mac: ENC[AES256_GCM,data:7UOhPTc35HWXouGK3W+eedfJDQUOaoOH/g+RUA3jxB1gxsgEzqavYT2MHLCjqauh16YIOpy/gyr1b5UlSmYLLF+IxpOZUoJeOVCBnnIOldXRcOsYQU31G/NYkzHPjNcw+gx6nCWMksmme9CWuF5TBLbL2PGfrhiHZk5gzgvpWSE=,iv:dIoaReUC12Fz3DhTXwt1EsKbtwArxqcM4rfeGXXTKHA=,tag:+CPYnANRHRn7k7tCseFhUw==,type:str]
     pgp:
         - created_at: "2025-12-11T23:56:15Z"
           enc: |-