chore: Bump org.codehaus.mojo:exec-maven-plugin from 3.5.1 to 3.6.0 (#8098)

Bumps [org.codehaus.mojo:exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 3.5.1 to 3.6.0.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](mojohaus/exec-maven-plugin@3.5.1...3.6.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:exec-maven-plugin
  dependency-version: 3.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

vaadin-aura-theme-flow-parent/vaadin-aura-theme-flow/pom.xml

@@ -22,7 +22,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.6.0</version>
                 <executions>
                     <execution>
                         <id>copy-theme-distribution</id>

vaadin-charts-flow-parent/vaadin-charts-flow-svg-generator/pom.xml

@@ -36,7 +36,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.6.0</version>
                 <executions>
                     <execution>
                         <id>npm-install</id>

vaadin-lumo-theme-flow-parent/vaadin-lumo-theme-flow/pom.xml

@@ -30,7 +30,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.6.0</version>
                 <executions>
                     <execution>
                         <id>copy-theme-distribution</id>