Add FOMs to capture PSM3 info

This also serves as a validation that PSM3 is actually in use.

Sample output:

```
Experiment ansys-fluent.pump_2m.test_scaling_1_nodes_h3standard figures of merit:
  Status = SUCCESS
  Tags = ['cae']
  null figures of merit:
    modifier::conditional-psm3::PSM3 version = v3.0
    modifier::conditional-psm3::PSM3 build target = IEFS OFA DELTA 7_5_1_0_1-impi
    Average time per iteration = 0.394 s
    Total Solver CPU Time = 945.98 s
    Total Solver Wall Time = 10.91 s
    modifier::tuned-adm::Tuning Profile = google-hpc-compute-throughput
```

var/ramble/repos/builtin/modifiers/conditional-psm3/modifier.py

@@ -45,6 +45,13 @@ class ConditionalPsm3(BasicModifier):
         mode='standard'
     )
 
+    modifier_variable(
+        'psm3_log_file',
+        default='{log_file}',
+        description='Log file where PSM3 info writes to, this varies based on applications',
+        mode='standard',
+    )
+
     def apply_psm3(self, executable_name, executable, app_inst=None):
         from ramble.util.executable import CommandExecutable
 
@@ -94,3 +101,21 @@ def apply_psm3(self, executable_name, executable, app_inst=None):
             )
 
         return pre_cmds, post_cmds
+
+    psm3_build_info_regex = r'.*\sPSM3_IDENTIFY PSM3\s+(?P<version>v[\d.]+)\s+built for\s+(?P<target>.*)$'
+
+    figure_of_merit(
+        'PSM3 version',
+        fom_regex=psm3_build_info_regex,
+        group_name='version',
+        units='',
+        log_file='{psm3_log_file}',
+    )
+
+    figure_of_merit(
+        'PSM3 build target',
+        fom_regex=psm3_build_info_regex,
+        group_name='target',
+        units='',
+        log_file='{psm3_log_file}',
+    )