Java11 compatible (#1520)

Move all manifests to java 11.

Author: wimjongman

io.sloeber.core.nl1/META-INF/MANIFEST.MF

@@ -2,6 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Sloeber core language pack
 Bundle-SymbolicName: io.sloeber.core.nl1;singleton:=true
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Version: 4.4.1.qualifier
 Fragment-Host: io.sloeber.core
 Bundle-Vendor: Sloeber.io

io.sloeber.core/META-INF/MANIFEST.MF

@@ -3,7 +3,7 @@ Bundle-ManifestVersion: 2
 Bundle-Name: Arduino eclipse plugin
 Bundle-SymbolicName: io.sloeber.core;singleton:=true
 Bundle-Version: 4.4.1.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Vendor: Sloeber.io
 Bundle-ActivationPolicy: lazy
 Bundle-Activator: io.sloeber.core.Activator

io.sloeber.product.sdk/META-INF/MANIFEST.MF

@@ -3,6 +3,6 @@ Bundle-ManifestVersion: 2
 Bundle-Name: Sloeber SDK
 Bundle-SymbolicName: io.sloeber.product.sdk;singleton:=true
 Bundle-Version: 4.3.1.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Vendor: baeyens.it
 Automatic-Module-Name: io.sloeber.product.sdk

io.sloeber.product/META-INF/MANIFEST.MF

@@ -10,6 +10,6 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.ui.ide,
  org.eclipse.platform,
  org.eclipse.ui.intro
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Vendor: baeyens.it
 Automatic-Module-Name: io.sloeber.product

io.sloeber.tests/META-INF/MANIFEST.MF

@@ -3,7 +3,7 @@ Bundle-ManifestVersion: 2
 Bundle-Name: Sloeber Tests
 Bundle-SymbolicName: io.sloeber.tests
 Bundle-Version: 4.4.1.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Vendor: Sloeber.io
 Require-Bundle: io.sloeber.core,
  org.eclipse.cdt.core,

io.sloeber.ui/META-INF/MANIFEST.MF

@@ -13,7 +13,7 @@ Require-Bundle: org.eclipse.ui,
  org.eclipse.ui.forms,
  org.eclipse.ui.ide,
  org.eclipse.debug.ui
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Import-Package: org.apache.commons.io;version="2.2.0",
  org.apache.commons.lang