Update version, tag, and date for 0.34.0 release

Author: msimberg

CITATION.cff

@@ -1,5 +1,5 @@
 cff-version: 1.2.0
-title: pika 0.33.0
+title: pika 0.34.0
 repository-code: https://github.com/pika-org/pika
 message: >-
   If you use this software, please cite it using the
@@ -43,8 +43,8 @@ keywords:
   - thread pool
 license: BSL-1.0
 license-url: https://opensource.org/license/bsl-1-0
-version: 0.33.0
-date-released: '2025-04-02'
+version: 0.34.0
+date-released: '2025-06-11'
 references:
   - title: "HPX - The C++ Standard Library for Parallelism and Concurrency"
     doi: 10.21105/joss.02352

CMakeLists.txt

@@ -44,10 +44,10 @@ set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 # Build all of pika
 # ##################################################################################################
 set(PIKA_VERSION_MAJOR 0)
-set(PIKA_VERSION_MINOR 33)
+set(PIKA_VERSION_MINOR 34)
 set(PIKA_VERSION_PATCH 0)
-set(PIKA_VERSION_DATE 20250402)
-set(PIKA_VERSION_TAG "-trunk")
+set(PIKA_VERSION_DATE 20250611)
+set(PIKA_VERSION_TAG "")
 
 set(PIKA_VERSION "${PIKA_VERSION_MAJOR}.${PIKA_VERSION_MINOR}.${PIKA_VERSION_PATCH}")
 set(PIKA_LIBRARY_VERSION "${PIKA_VERSION}")