chore(deps): update dependency execa to v7

packages/gatsby-plugin-purgecss/package.json

@@ -18,7 +18,7 @@
     "eslint-config-good-code": "^1.1.0",
     "eslint-plugin-sonarjs": "^0.18.0",
     "eslint-plugin-unicorn": "^45.0.2",
-    "execa": "^6.1.0",
+    "execa": "^7.0.0",
     "gatsby": "^5.3.3",
     "jest": "^27.5.1",
     "release-it": "^15.6.0",

yarn.lock

@@ -8105,7 +8105,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"execa@npm:6.1.0, execa@npm:^6.1.0":
+"execa@npm:6.1.0":
   version: 6.1.0
   resolution: "execa@npm:6.1.0"
   dependencies:
@@ -8154,6 +8154,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"execa@npm:^7.0.0":
+  version: 7.0.0
+  resolution: "execa@npm:7.0.0"
+  dependencies:
+    cross-spawn: ^7.0.3
+    get-stream: ^6.0.1
+    human-signals: ^4.3.0
+    is-stream: ^3.0.0
+    merge-stream: ^2.0.0
+    npm-run-path: ^5.1.0
+    onetime: ^6.0.0
+    signal-exit: ^3.0.7
+    strip-final-newline: ^3.0.0
+  checksum: be7c7b6d1e5473f628e46888b0cf8279da483c1a6000dd494a2059cc26591ded57ba46be1c9bdde1ec895e7eb8b18911174aba425cd971d41d140a9405da9a02
+  languageName: node
+  linkType: hard
+
 "exit@npm:^0.1.2":
   version: 0.1.2
   resolution: "exit@npm:0.1.2"
@@ -8990,7 +9007,7 @@ __metadata:
     eslint-config-good-code: ^1.1.0
     eslint-plugin-sonarjs: ^0.18.0
     eslint-plugin-unicorn: ^45.0.2
-    execa: ^6.1.0
+    execa: ^7.0.0
     fs-extra: ^11.1.0
     gatsby: ^5.3.3
     jest: ^27.5.1
@@ -10078,6 +10095,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"human-signals@npm:^4.3.0":
+  version: 4.3.0
+  resolution: "human-signals@npm:4.3.0"
+  checksum: 662b976b1063a8afb8fd7fa50bde6975997e17ea6ceba2aad54aacf1dc239a2cd7d14d27b3ceca0c6288627f4b45c56c2c89618455ff52cd9377c02d6328cd7c
+  languageName: node
+  linkType: hard
+
 "humanize-ms@npm:^1.2.1":
   version: 1.2.1
   resolution: "humanize-ms@npm:1.2.1"