Tag v1.12.0 with tools v1.6.0 (#230)

Author: peterebden

ChangeLog

@@ -1,3 +1,7 @@
+Version 1.12.0
+--------------
+    * Import hooks are now added in the `plz` module and are hence more usefully importable (#229)
+
 Version 1.11.3
 --------------
     * Fix get_code on ModuleDirImport (#226)

VERSION

@@ -1 +1 @@
-1.11.3
+1.12.0

tools/BUILD

@@ -2,17 +2,17 @@ subinclude("//build_defs:version")
 
 version(name = "version")
 
-TOOLS_VERSION = "1.5.5"
+TOOLS_VERSION = "1.6.0"
 
 remote_file(
     name = "please_pex",
     url = f"https://github.com/please-build/python-rules/releases/download/tools-v{TOOLS_VERSION}/please_pex-{TOOLS_VERSION}-{CONFIG.OS}_{CONFIG.ARCH}",
     hashes = [
-        "bc430ad8f1b1ae5516490a26758d3e8efc65da64112ba69ecc79aa0251b4794e",  # please_pex-1.5.5-darwin_amd64
-        "28865fc2f67e406f6544aef7fe2ba334d3fac3096ed54df4a270390c220db240",  # please_pex-1.5.5-darwin_arm64
-        "1b47c2211b736891129f64659ef8f92afdb626477ca4ce428b808b3c6ce5d7ba",  # please_pex-1.5.5-freebsd_amd64
-        "772068a245d6c19f082ea5f53a3ea9201f7c169c6ed225e8ddbf6e8092752f22",  # please_pex-1.5.5-linux_amd64
-        "cdc04adcca95fd915328887083c50c38029409b5210c4a90bc81145b049002fe",  # please_pex-1.5.5-linux_arm64
+        "0d6eb076ec37023a8f708b1f4516d7cb960be824115a110fb41b97083e14bbab",  # please_pex-1.6.0-darwin_amd64
+        "c41ee9db0224b257ced02b91823d03eeaa67748a2567cd47b5bf1c09ba930359",  # please_pex-1.6.0-darwin_arm64
+        "9f07d77c20dbb9f81c84d5ea636c88ec830b2cbd498e8c29553c83921ef444b2",  # please_pex-1.6.0-freebsd_amd64
+        "d1e07210f4834b971a6e606e8952c4c33b7403f649f75b29f927d3676c29d3b4",  # please_pex-1.6.0-linux_amd64
+        "160ed67502b7f2e71b08cde44439a3748852d663cfab42f82aece1666f3cef19",  # please_pex-1.6.0-linux_arm64
     ],
     binary = True,
     visibility = ["PUBLIC"],