Update Crystal 1.6.1 -> 1.6.2 (#4303)

* add license info

etc/config/crystal.amazon.properties

@@ -1,19 +1,22 @@
 compilers=&crystal
-defaultCompiler=crystal161
+defaultCompiler=crystal162
 
-group.crystal.compilers=crystal161:crystal151:crystal141:crystal132:crystal122:crystal11:crystal10:crystal036:crystal035:crystal034:crystal033:crystal032:crystal031:crystal030:crystal029
+group.crystal.compilers=crystal162:crystal151:crystal141:crystal132:crystal122:crystal11:crystal10:crystal036:crystal035:crystal034:crystal033:crystal032:crystal031:crystal030:crystal029
 group.crystal.isSemVer=true
 group.crystal.baseName=Crystal
 group.crystal.groupName=Crystal x86-64
 group.crystal.supportsBinary=true
 group.crystal.supportsExecute=true
 group.crystal.compilerType=crystal
 group.crystal.objdumper=/opt/compiler-explorer/gcc-snapshot/bin/objdump
+group.crystal.licenseLink=https://github.com/crystal-lang/crystal/blob/master/LICENSE
+group.crystal.licenseName=Apache 2
+group.crystal.licensePreamble=Copyright 2012-2022 Manas Technology Solutions.
 
-compiler.crystal161.semver=1.6.1
-compiler.crystal161.exe=/opt/compiler-explorer/crystal-1.6.1/bin/crystal
-compiler.crystal161.cc=/opt/compiler-explorer/gcc-snapshot/bin/gcc
-compiler.crystal161.alias=crystal160
+compiler.crystal162.semver=1.6.2
+compiler.crystal162.exe=/opt/compiler-explorer/crystal-1.6.2/bin/crystal
+compiler.crystal162.cc=/opt/compiler-explorer/gcc-snapshot/bin/gcc
+compiler.crystal162.alias=crystal160:crystal161
 compiler.crystal151.semver=1.5.1
 compiler.crystal151.exe=/opt/compiler-explorer/crystal-1.5.1/bin/crystal
 compiler.crystal151.cc=/opt/compiler-explorer/gcc-snapshot/bin/gcc