Updating buildpack.toml with new versions 2.7.8

buildpack.toml

@@ -18,19 +18,6 @@ api = "0.7"
   [metadata.default-versions]
     composer = "*"
 
-  [[metadata.dependencies]]
-    checksum = "sha256:29dc9a19ef33535db061b31180b2a833a7cf8d2cf4145b33a2f83504877bba08"
-    cpe = "cpe:2.3:a:getcomposer:composer:2.7.6:*:*:*:*:python:*:*"
-    id = "composer"
-    licenses = ["MIT"]
-    name = "composer"
-    purl = "pkg:generic/[email protected]?checksum=29dc9a19ef33535db061b31180b2a833a7cf8d2cf4145b33a2f83504877bba08&download_url=https://getcomposer.org/download/2.7.6/composer.phar"
-    source = "https://getcomposer.org/download/2.7.6/composer.phar"
-    source-checksum = "sha256:29dc9a19ef33535db061b31180b2a833a7cf8d2cf4145b33a2f83504877bba08"
-    stacks = ["*"]
-    uri = "https://getcomposer.org/download/2.7.6/composer.phar"
-    version = "2.7.6"
-
   [[metadata.dependencies]]
     checksum = "sha256:aab940cd53d285a54c50465820a2080fcb7182a4ba1e5f795abfb10414a4b4be"
     cpe = "cpe:2.3:a:getcomposer:composer:2.7.7:*:*:*:*:python:*:*"
@@ -44,6 +31,19 @@ api = "0.7"
     uri = "https://getcomposer.org/download/2.7.7/composer.phar"
     version = "2.7.7"
 
+  [[metadata.dependencies]]
+    checksum = "sha256:3da35dc2abb99d8ef3fdb1dec3166c39189f7cb29974a225e7bbca04c1b2c6e0"
+    cpe = "cpe:2.3:a:getcomposer:composer:2.7.8:*:*:*:*:python:*:*"
+    id = "composer"
+    licenses = ["MIT"]
+    name = "composer"
+    purl = "pkg:generic/[email protected]?checksum=3da35dc2abb99d8ef3fdb1dec3166c39189f7cb29974a225e7bbca04c1b2c6e0&download_url=https://getcomposer.org/download/2.7.8/composer.phar"
+    source = "https://getcomposer.org/download/2.7.8/composer.phar"
+    source-checksum = "sha256:3da35dc2abb99d8ef3fdb1dec3166c39189f7cb29974a225e7bbca04c1b2c6e0"
+    stacks = ["*"]
+    uri = "https://getcomposer.org/download/2.7.8/composer.phar"
+    version = "2.7.8"
+
   [[metadata.dependency-constraints]]
     constraint = "2.*"
     id = "composer"